Posted by: Almateria
« on: October 08, 2014, 11:50:57 AM »Hi, it's because fraps records the window's size in its native proportion, even when stretched by your graphics card
YouTube displays videos in 16:9 aspect ratio. 1600x1200 has an aspect ratio of 12:9, so it's probably YouTube filling that extra width with black.
The recording software is most likely recording the video on a different resolution than the game is played with... what recording program do you use ?